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Webcam diagnostics

Test what the browser can see. Know when it cannot.

Test video capture, resolution, frame-rate settings and permission before changing camera drivers or replacing the webcam.

Run these first

Relevant live checks

Webcam TestOpen your webcam locally to verify that the browser can access and display a live camera stream.
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Webcam Resolution TestCheck the active video track resolution your browser receives from the camera.
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Webcam FPS TestEstimate the actual delivered webcam frame rate.
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Webcam Snapshot TestCapture a still image locally from the active webcam.
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First diagnostic sequence

Do the high-signal checks before risky changes

  1. 1

    Open any physical privacy shutter

  2. 2

    Close other apps using the camera

  3. 3

    Run DeviceOK webcam test

What DeviceOK/browser can help check
  • Open a live video stream
  • Report active video settings
  • Switch between browser-visible cameras
What this browser page cannot prove
  • Inspect camera sensor electronics
  • Repair firmware
  • Measure optical calibration professionally